218692808

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{448141}}^1$

素因数の和:448208

約数の個数: 16

約数和(自身を含む): 416772060

約数和(自身を除く): 198079252

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 448141, 896282, 1792564, 3585128, 27336601, 54673202, 109346404, 218692808]

約数ペア:

[(1, 218692808), (2, 109346404), (4, 54673202), (8, 27336601), (61, 3585128), (122, 1792564), (244, 896282), (488, 448141)]